DTC U1A4C-53: Build/End of Line mode Active - Deactivated: Action

NOTE: This routine must be run twice to make sure PSCM transition to customer mode is done successfully

Using the Jaguar Land Rover approved diagnostic equipment, perform routine - Set ECU Into Customer Mode (0x0E11). Clear the DTC and retest
If the fault persists, contact the JLR Technical Helpdesk. Do not replace the steering gear